diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2015-05-31 12:35:28 +0300 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-07-04 06:02:22 +0300 |
| commit | 05e308140f6b33f08033e079e7c168ebadde588b (patch) | |
| tree | 260a937a02c5fed3008fe6eafbde228505f02d2c /drivers/staging | |
| parent | d83de3f9798fe8349fbcb61a7a5ea34f2cd80cba (diff) | |
| download | linux-05e308140f6b33f08033e079e7c168ebadde588b.tar.xz | |
staging: vt6655: device_rx_srv check sk_buff is NULL
[ Upstream commit b5eeed8cb6097c8ea660b6598d36fdbb94065a22 ]
There is a small chance that pRD->pRDInfo->skb could go NULL
while the interrupt is processing.
Put NULL check on loop to break out.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/vt6655/device_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 54e16f40d8ed..ea240512cbbb 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1340,6 +1340,10 @@ static int device_rx_srv(struct vnt_private *pDevice, unsigned int uIdx) pRD = pRD->next) { if (works++ > 15) break; + + if (!pRD->pRDInfo->skb) + break; + if (device_receive_frame(pDevice, pRD)) { if (!device_alloc_rx_buf(pDevice, pRD)) { dev_err(&pDevice->pcid->dev, |